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<div class="moz-cite-prefix"><font face="Comic Sans MS">Hello
Charles Dixon-Paver,</font></div>
<div class="moz-cite-prefix"><font face="Comic Sans MS"> Thank
you very much for your very thoughtful and clear response to my
query. I hadn't even realized that OSGeo4W64 was more than just
a tool for downloading a version of QGIS and that it is now
sitting in my computer for me to use. I haven't fully digested
all of your suggestions and I'm sure I will have more questions
when I have done so. But for now could you please explain what
"starting the program with the relative batch file. e.g.
qgis-ltr-bat" means and why you recommend it? Why "batch"? By
now you may be starting to realize that in addition to being
new to GIS and new to qgis, I'm not very computer-literate
(whatever that means). Best, Jim Romer<br>
</font></div>
<div class="moz-cite-prefix"><font face="Comic Sans MS"> </font><br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">On 2021-01-10 8:24 AM, Charles
Dixon-Paver wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAK2Kqic8wydk8aGp+ebtE7ykzWdaTm=_0X9t3y8UdX7nhtPz8A@mail.gmail.com">
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<div dir="ltr">Hi there,
<div><br>
</div>
<div>The OSGeo4w installer provides a number of options for
adding AND removing the installations from the advanced
installation interface[1].</div>
<div><br>
</div>
<div>You can review all the installed options and remove/ add
multiple versions which can exist alongside each other,
usually pretty happily. The installers will all be
available from the "C:\OSGeo4W64\bin" folder. I recommend
starting the program with the relative batch file.
e.g. qgis-ltr.bat</div>
<div><br>
</div>
<div>You shouldn't actually need to remove a particular version.
There may be many other options available depending on what's
installed, including, for example, qgis.bat, qgis-dev.bat,
qgis-dev-g7.bat. Launching from the bat files will help ensure
that your path and environment variables are set correctly.</div>
<div><br>
</div>
<div>In terms of what's available from the Start/ Programs menu,
as far as I know the available/ default shortcut will be
placed in your "%APPDATA%\Microsoft\Windows\Start
Menu\Programs" directory. I'm not entirely sure what gets
added to the registry (if anything), but you can always create
your own shortcut and add it there to access it from the start
menu.</div>
<div><br>
</div>
<div>Note I'm assuming you have admin privileges on your
machine. I hope that helps.</div>
<div><br>
</div>
<div>[1] - <a href="https://imgur.com/a/gyGsMk6"
moz-do-not-send="true">https://imgur.com/a/gyGsMk6</a><br>
</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, 10 Jan 2021 at 15:01,
James H. Romer <<a href="mailto:jhromer@myfairpoint.net"
moz-do-not-send="true">jhromer@myfairpoint.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p><font face="Comic Sans MS">I am very new to QGIS (and
also new to GIS). I only want the LTR version (and not
the developer version) of QGIS.<br>
</font></p>
<p><font face="Comic Sans MS">My operating system is
Windows 10. Before I started, I uninstalled all QGIS
that was on my computer. I then downloaded the 64 bit
OSGeo4W Network Installer and ran it, choosing Advanced
Install and typing "qgis-ltr-full" into the box. But I
ended up with QGIS 3.10.16.2 installed and I could not
figure out how to uninstall it. I then tried again and
this time I appear to have been successful in
downloading and installing QGIS 3.10.13, but I cannot
figure out how to open it. Here is the present
situation: 3.10.13 is in "Programs and Features" in the
Control Panel but 3.10.16.2 is not there. In the Start
menu QGIS 3.10.16.2 and QGIS 3 appear. When I click on
QGIS 3, QGIS 3.10.16.2 opens.</font></p>
<p><font face="Comic Sans MS">Please help. Jim Romer</font><br>
</p>
<div>Jim Romer<br>
177 Quaker City Road<br>
Unity, New Hampshire<br>
03603-7427<br>
<br>
(603) 542-6124<br>
<br>
<b>Let's remove the rich from power and have real (not
fake) democracy. No rich, no poor! Check out this <a
href="https://www.pdrboston.org/" target="_blank"
moz-do-not-send="true">website.</a></b></div>
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<div class="moz-signature">-- <br>
Jim Romer<br>
177 Quaker City Road<br>
Unity, New Hampshire<br>
03603-7427<br>
<br>
(603) 542-6124<br>
<br>
<b>Let's remove the rich from power and have real (not fake)
democracy. No rich, no poor! Check out this <a
href="https://www.pdrboston.org/">website.</a></b></div>
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