[Docs] Replace pytorch install command to conda in README(_zh-CN).md (o…

…pen-mmlab#816)

* replace pytorch install command

* add conda activate

* add -y for conda create

* create conda enviromnet

* merge all commands together

README.md

@@ -89,32 +89,18 @@ Please refer to [changelog.md](docs/en/changelog.md) for details and release his
 
 MMEditing depends on [PyTorch](https://pytorch.org/) and [MMCV](https://github.com/open-mmlab/mmcv).
 Below are quick steps for installation.
+Please refer to [install.md](docs/en/install.rst) for more detailed instruction.
 
-**Step 1.**
-Install PyTorch following [official instructions](https://pytorch.org/get-started/locally/), e.g.
-
-```
-pip3 install torch torchvision
-```
-
-**Step 2.**
-Install MMCV with [MIM](https://github.com/open-mmlab/mim).
-
-```
+```shell
+conda create -n open-mmlab python=3.8 pytorch=1.10 cudatoolkit=11.3 torchvision -c pytorch -y
+conda activate open-mmlab
 pip3 install openmim
 mim install mmcv-full
-```
-
-**Step 3.**
-Install MMEditing from source.
-
-```
 git clone https://github.com/open-mmlab/mmediting.git
 cd mmediting
-pip3 install -e .[all]
+pip3 install -e .
 ```
 
-Please refer to [install.md](docs/en/install.rst) for more detailed instruction.
 
 ## Getting Started
 

README_zh-CN.md

@@ -86,32 +86,18 @@ MMEditing 缜密地设计新的框架并将其精心实现，希望能够为您
 ## 安装
 
 MMEditing 依赖 [PyTorch](https://pytorch.org/) 和 [MMCV](https://github.com/open-mmlab/mmcv)，以下是安装的简要步骤。
+更详细的安装指南请参考 [install.md](docs/en/install.rst)。
 
-**步骤 1.**
-依照[官方教程](https://pytorch.org/get-started/locally/)安装PyTorch，例如
-
-```
-pip3 install torch torchvision
-```
-
-**步骤 2.**
-使用 [MIM](https://github.com/open-mmlab/mim) 安装 MMCV
-
-```
+```shell
+conda create -n open-mmlab python=3.8 pytorch=1.10 cudatoolkit=11.3 torchvision -c pytorch -y
+conda activate open-mmlab
 pip3 install openmim
 mim install mmcv-full
-```
-
-**步骤 3.**
-从源码安装 MMEditing
-
-```
 git clone https://github.com/open-mmlab/mmediting.git
 cd mmediting
-pip3 install -e .[all]
+pip3 install -e .
 ```
 
-更详细的安装指南请参考 [install.md](docs/en/install.rst) .
 
 ## 开始使用